Corner guard



FIG. 1 is a front and upper left perspective view of a corner guardshowing my new design;

FIG. 2 is a rear and lower left perspective view thereof;

FIG. 3 is a front elevational view thereof, the left side being a mirrorimage;

FIG. 4 is a rear elevational view thereof, the left side being a mirrorimage;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The ornamental design for a corner guard, as shown and described.